Friday, March22, 2019 L-36.com


Marine Weather and Tides
Mead Valley, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:50AMSunset 7:02PM Thursday March 21, 2019 11:30 PM PDT (06:30 UTC) Moonrise 8:03PMMoonset 7:35AM Illumination 98% Phase: Waning Gibbous; Moon at 16 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 140 Pm Pdt Thu Mar 21 2019
Tonight..Wind nw 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 4 to 5 ft at 13 seconds. Chance of showers in the evening, then slight chance of showers after midnight.
Fri..Wind W to 10 kt...becoming 10 to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 5 ft at 12 seconds.
Fri night..Wind nw 10 to 15 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 4 to 7 ft at 14 seconds.
Sat..Wind W 10 to 15 kt. Wind waves 2 ft or less. SWell W 2 to 5 ft at 17 seconds. Slight chance of showers in the morning.
Sat night..Wind nw 10 to 15 kt...becoming W after midnight. Wind waves 2 ft or less. SWell W 3 to 6 ft at 16 seconds.
Sun..Wind se 10 kt...becoming W in the afternoon. Wind waves 2 ft or less. SWell W 3 to 6 ft.
Sun night..Wind nw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 4 to 6 ft.
Mon..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. SWell W 3 to 5 ft.
Mon night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Tue..Wind nw 10 kt. Gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft.
Tue night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 3 to 4 ft. Slight chance of showers.
PZZ700 140 Pm Pdt Thu Mar 21 2019
Synopsis for the far southern california coast.. At 2 pm, a 1025 mb high was 1000 nm west of san diego and a 1012 mb low was over eastern nevada. Brisk onshore today will gradually weaken over the next couple of days, becoming light after Saturday.


7 Day Forecast for Marine Location Near Mead Valley, CA
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location: 33.85, -117.33     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 220427
afdsgx
area forecast discussion
national weather service san diego ca
927 pm pdt Thu mar 21 2019

Synopsis
Only isolated showers will occur overnight as an upper level
trough begins to move away from the area. Friday will be dry and
a little warmer. Another low pressure system will moving across
northern and central california this weekend bringing gusty
southwest to west winds in the mountains and deserts and a chance
of light showers over and west of the mountains. Dry and warmer
weather is expected Sunday through Tuesday. The approach of another
storm system will result in a chance of precipitation by mid week.

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino
counties...

the upper level trough which resulted in widespread rain and high
elevation snow over the last couple of days is moving east of the
area tonight. Showers have mostly dissipated this evening and will
keep only 10-20 pops going for the remainder of tonight for some
isolated showers. Expect dry weather on Friday with a return of
some sunshine as well. The next storm system will move across
northern california this weekend with the best dynamics staying
well north of the area. Have only small chances for precipitation
in the forecast for Saturday and Saturday night with minimal
impacts expected.

From previous discussion...

at 1 pm, water vapor satellite displayed an upper-level low
centered over southern nevada. Radar showed a band of mostly
light showers moving southeast across the region, just now
entering san diego county. Additional rainfall through this
evening looks to be lighter than expected, with an additional one-
quarter inch of precipitation possible, and an inch or two of
snowfall expected, mostly above 6500 feet. The winter weather
advisory for the riverside and san bernardino county mountains
continues through 8 pm this evening.

Weak ridging will develop Friday, with dry weather and highs 5-10
degrees below normal. A trough will then move across northern ca
on Saturday. Lack of upper-level dynamics and moisture will limit
shower activity over our area, with only small chances of light
precip over and west of the mountains.

Upper-level heights build early next week, with southwesterly flow
aloft and dry weather across southern ca. Highs will be mostly
near normal Sunday through Tuesday, with Monday and Tuesday being
the warmest days.

On Wednesday and Thursday, models show an upper-level trough
moving across the western states with continuing differences in
the details. The GFS is dry over southern ca, while the ecmwf
generate precip. The current forecast uses a blend, with
increasing chances for precipitation centered around Wednesday.

Snow levels will range from 5000-6000 ft through the period. As
the trough moves inland, there will also be periods of stronger
and gusty southwest to west winds in the mountains and deserts.

Aviation
220315z... Coasts valleys... Isolated -shra possible through 11z
Friday. Variable sct-bkn clouds with bases 2,000-4,000 ft msl will
continue overnight. Sct clouds with bases AOA 4,000 ft msl by Friday
afternoon.

Mountains deserts... Isolated -shra in mountains through this evening
with low clouds occasionally obscuring higher terrain. West sfc
winds 15-20 kts gusting to 30-40 kts over mountain crests, desert
mountain slopes, and through the passes until 16z. Mod uddfts over
and east of the mtns at times through tonight. Dry weather with skc
tomorrow.

Marine
A few isolated showers are possible through tonight with dry weather
expected tomorrow. Chance of scattered showers returns Saturday.

Otherwise no hazardous marine weather or seas expected through
Tuesday.

Beaches
Elevated to high surf will decrease through Friday afternoon. A high
surf advisory will remain in effect until 1pm Friday. Large west
swell of 8-9 ft with a 15-16 second period rebuilds over the
weekend, potentially bringing another round of high surf.

Sgx watches warnings advisories
Ca... High surf advisory until 1 pm pdt Friday for orange county
coastal areas-san diego county coastal areas.

Pz... None.

Public... Moreland
aviation marine... Co ss


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46242 - Camp Pendleton Nearshore, CA (043) 44 mi33 min 60°F4 ft
PRJC1 46 mi31 min W 7 G 8
46224 - Oceanside Offshore, CA (045) 47 mi31 min 60°F4 ft
46256 47 mi31 min 59°F4 ft
PFXC1 47 mi31 min W 5.1 G 7 56°F
PSXC1 48 mi31 min W 4.1 G 6
46253 49 mi31 min 60°F4 ft
AGXC1 49 mi31 min W 5.1 G 6 55°F 1021 hPa (+0.8)
BAXC1 49 mi31 min SSE 6 G 7
PFDC1 49 mi31 min WSW 1.9 G 1.9

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Riverside / March Air Force Base, CA4 mi93 minNW 410.00 miA Few Clouds45°F45°F100%1020.5 hPa
Riverside Municipal Airport, CA9 mi38 minN 010.00 miMostly Cloudy50°F45°F83%1019.8 hPa
Corona Airport, CA15 mi35 minSSE 410.00 miFair49°F46°F90%1022.3 hPa
Chino, Chino Airport, CA18 mi38 minN 010.00 miFair48°F46°F93%1020.8 hPa
San Bernardino Intl. Airport, CA19 mi51 minWSW 510.00 miOvercast53°F45°F77%1020.7 hPa
Ontario International Airport, CA20 mi38 minW 310.00 miMostly Cloudy54°F48°F80%1020.3 hPa

Wind History from RIV (wind in knots)
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Last 24hrCalmCalmE4CalmCalmCalmSE6SE6--CalmE4SE3--NW4W4SW5S3--SE6CalmCalm--NW4NW5
1 day agoS6S5SE7SE5S6S4CalmCalmSE4SE4S3SE4CalmSE7CalmSE6N4NW12NW6CalmCalmS5S3Calm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE3CalmCalmS7S9NW8NW8NW9SW5NW7NW4S6SE11S10

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Fri -- 04:50 AM PDT     -0.44 feet Low Tide
Fri -- 06:51 AM PDT     Sunrise
Fri -- 08:12 AM PDT     Moonset
Fri -- 10:54 AM PDT     5.27 feet High Tide
Fri -- 05:02 PM PDT     -0.20 feet Low Tide
Fri -- 07:03 PM PDT     Sunset
Fri -- 09:11 PM PDT     Moonrise
Fri -- 11:12 PM PDT     5.57 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.93.62.10.8-0.2-0.40.11.22.6455.34.93.82.51.20.2-0.20.11.12.53.955.6

Tide / Current Tables for Newport Bay Entrance, Corona del Mar, California
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Newport Bay Entrance
Click for Map
Fri -- 04:50 AM PDT     -0.20 feet Low Tide
Fri -- 06:52 AM PDT     Sunrise
Fri -- 08:13 AM PDT     Moonset
Fri -- 10:57 AM PDT     5.23 feet High Tide
Fri -- 05:02 PM PDT     -0.07 feet Low Tide
Fri -- 07:04 PM PDT     Sunset
Fri -- 09:13 PM PDT     Moonrise
Fri -- 11:18 PM PDT     5.48 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.83.72.310.1-0.20.31.32.644.95.24.83.92.51.20.3-0.10.21.22.53.84.95.4

Weather Map and Satellite Images
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wmap_P
GOES Local Image of Southwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Diego, CA (2,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.